PlainFlights

Airport · MHT · Manchester, New Hampshire

Manchester, NH

Manchester, NH posts below-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 69,564 flights (2020–2025); its biggest delay driver is late aircraft.

Data updated 2026-06-13

82.3%
On-time
Top 63%
on-time, US airports
71 min
Delay when late
1.56%
Cancelled

Key Performance Metrics

Total Flights

69,564

Best Month

Nov 94.7%

Worst Month

Jul 89%

Delayed

12,331

Cancelled

1,087

MHT on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%82.3%

Where MHT sits among all 382 tracked airports

MHT's 82.3% on-time rate falls in the 80-85% band, the 192-airport band it shares.

National on-time-rate distribution

airports

What this shows MHT is marked in the 80-85% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 413,008.

Late Aircraft 43.3% (178,688 min)
Carrier 27.4% (113,075 min)
NAS (National Aviation System) 26.0% (107,363 min)
Weather 3.1% (12,693 min)
Security 0.3% (1,189 min)

MHT - seasonal on-time pattern

Best: November (94.7%) · worst: July (89%)

88%90%92%94%96% JanFebMarAprMayJunJulAugSepOctNovDec 92.4%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: November (94.7% on-time). Most delays: July (89% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 911 163 16 92.4%
November 906 112 3 94.7%
October 1,088 174 3 92.9%
September 1,006 133 5 94.6%
August 1,080 225 12 91%
July 1,054 263 17 89%
June 966 222 12 90.2%
May 909 185 8 91.5%
April 966 145 40 93.5%
March 996 161 27 92.8%
February 841 134 18 92.7%
January 874 139 21 92.9%

Year-Over-Year Performance

Annual flight volume and on-time trends at MHT.

MHT - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96%98% 202020212022202320242025 96.7% 91% ▼ -5.9%
Year Flights Delayed Cancelled On-Time %
2025 11,960 1,073 151 91%
2024 11,300 961 62 91.5%
2023 12,548 1,024 139 91.8%
2022 13,405 1,233 282 90.8%
2021 9,808 720 97 92.7%
2020 10,543 347 356 96.7%

Cancellation & Diversion Analysis

Flight disruption statistics for Manchester, NH.

Cancellation Rate

1.56%

1,087 of 69,564 flights

Diversion Rate

0.14%

98 of 69,564 flights

Delay Rate

17.7%

12,331 of 69,564 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2025 938 96 134 12 0
Nov 2025 901 57 88 8 0
Oct 2025 1,063 99 110 1 0
Sep 2025 1,069 56 72 3 2
Aug 2025 1,146 92 131 13 6
Jul 2025 1,156 146 164 27 3
Jun 2025 1,099 127 161 13 2
May 2025 1,142 112 156 7 4
Apr 2025 996 68 89 5 2
Mar 2025 918 82 102 13 3
Feb 2025 798 87 92 30 0
Jan 2025 734 51 67 19 1
Dec 2024 851 76 96 2 3
Nov 2024 861 35 51 0 0
Oct 2024 1,172 88 102 2 0
Sep 2024 1,135 55 87 3 2
Aug 2024 1,152 109 142 11 2
Jul 2024 1,040 147 170 17 3
Jun 2024 999 75 99 2 1
May 2024 954 104 144 2 2
Apr 2024 927 75 94 5 2
Mar 2024 828 83 90 4 1
Feb 2024 658 40 49 1 0
Jan 2024 723 74 87 13 1

Other Airports in New Hampshire

Compare performance with other New Hampshire airports.

What the Data Says About MHT

Manchester, NH in Manchester, New Hampshire handled 69,564 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.3% on-time departure rate. Of those flights, 12,331 experienced delays, 1,087 were cancelled, and 98 were diverted. The cancellation rate works out to 1.56%, the diversion rate to 0.14%, and the average delay when departures run late is 71.3 minutes. These figures are the baseline for comparing MHT against other airports in the same state and nationally.

Breaking down what drives delays at MHT, Late Aircraft leads the pack. Late Aircraft accounts for 43.3% of total delay minutes, followed by Carrier at 27.4% and NAS (National Aviation System) at 26.0%. Weather contributes 3.1% of delay minutes at this airport, while security holds the smallest share at 0.3%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, November runs the cleanest at MHT with a 94.7% on-time rate, while July is the roughest at 89% - a 6-point swing between best and worst month. Volume peaks in October, when average flights hit 1,088. The busiest route connecting MHT is to BWI (Baltimore), with 9,060 flights at a 78.3% on-time rate. Combine these numbers - 82.3% on-time, 71.3-minute average delay, 1.56% cancellation rate, and you have a concrete picture of departure reliability at Manchester, NH.

Frequently Asked Questions

What is the on-time performance rate at Manchester, NH (MHT)?
Manchester, NH has an overall on-time departure rate of 82.3%. Out of 69,564 total flights tracked, 12,331 experienced delays and 1,087 were cancelled.
What is the most common cause of delays at MHT?
The top delay cause at Manchester, NH is Late Aircraft. Late Aircraft accounts for 43.3% of all delay minutes.
What is the average delay time at MHT?
The average delay at Manchester, NH is 71.3 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from MHT?
Based on historical data, November has the best on-time performance at MHT with 94.7% of flights departing on time.
What is the worst month for delays at MHT?
July tends to have the most delays at MHT, with an on-time rate of only 89%.
How many routes operate from MHT?
Manchester, NH serves at least 16 routes. The busiest route is BWI to MHT (Baltimore - Manchester) with 9,060 flights.
What is the cancellation rate at MHT?
Manchester, NH has a cancellation rate of 1.56%, based on 1,087 cancelled flights out of 69,564 total flights tracked.

Explore PlainFlights

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using MHT's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.